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Image crop

Extract a rectangular region from a PNG, JPEG or WebP image.

imagecropcutPNG

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Files (1–1)
One PNG, JPEG or WebP image, up to 25 MB.

Options

Left edge 0–8000 px Coords mode: the box's left edge.
Top edge 0–8000 px Coords mode: the box's top edge.
Box width 0–8000 px Coords mode: the box's width.
Box height 0–8000 px Coords mode: the box's height.
Questions people ask
How are coordinates measured?
In display space: a non-identity EXIF orientation is applied to the pixels FIRST, so x/y are offsets from the top-left corner of the image as your viewer shows it, not of the raw stored pixels.
What if my box falls outside the image?
The run refuses with a named diagnostic giving the offending geometry. The tool never clamps silently and never returns a region you did not ask for.
What does centre mode do?
It takes the largest centred rectangle of the named aspect ratio (1:1, 4:3, 3:2, 16:9 and the three portrait inverses) that fits inside the image. A crop only ever removes pixels, so no upscaling question arises.
Does the crop lose transparency or metadata?
Transparency survives (PNG and WebP alpha); JPEG has none, so a transparent source going to JPEG is flattened onto white. The output is re-encoded from decoded pixels with no EXIF, ICC or XMP at all.